Evga Geforce Gtx 770 Graphic Card . 1046 Mhz Core . 4 Gb Gddr5 Sdram . Pci Express 3.0 X16 . 7010 Mhz Memory Clock . Sli . Fan Cooler . Directx 11.1, Opengl 4.3, Opencl 1.2, Directcompute 5.0 . Hdmi . Displayport . Dvi "Product Type: Video Cards/Graphic Cards" Video Cards Graphic Cards